Yellow Hornet vs Stridulating Passalid

Side-by-side species comparison

Attribute Yellow Hornet Stridulating Passalid
Scientific Name Vespa simillima Passalus punctatostriatus
Order Hymenoptera Coleoptera
Family Vespidae Passalidae
Size 21-28 mm 30-42 mm
Habitat Woodlands Woodlands
Diet Fruit Feeders Wood Feeders
Regions East Asia, Japan/Korea Central America, South America
Conservation Least Concern Least Concern

Yellow Hornet

Known as 'ke-buchi-suzumebachi' in Japanese, a common hornet in Japan and Korea. Builds large paper nests in trees and under eaves. Less aggressive than the giant hornet but still capable of painful stings.

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Did You Know?

This species is responsible for more wasp stings in Japan than any other species because it frequently builds nests near human habitations.

Stridulating Passalid

A large, shiny black bess beetle with prominently punctate-striate elytra and strong mandibles. It lives in family groups within decaying logs. Known for producing a wide repertoire of stridulatory sounds for communication.

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Did You Know?

Adults produce sounds by rubbing specialized ridges on the abdomen against the underside of the wings, creating at least 14 distinct calls.